<template>
  <div>
    <h2>我是About组件</h2>
  </div>
</template>

<script>
export default {
  name:'About',
  /* beforeDestroy () {
    console.log('About组件即将被销毁了')
  },
  mounted () {
    console.log('About组件挂载了')
  } */
}
</script>

<style>

</style>